Could you please describe your application: z=p 1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... 5 WppV3; 2, is the fiber single mode or multimode? what is the NA, core dia,... kV rT? 4) 3pa* Generally, fiber coupling efficiency of 40%~90% is reasonable. | q16%6q #(IMRdUf Again let us know your specific bug. SU'1#$69F erP>P MANG2004 VQ?H:1R